添加油时DLC/DLC和钢/DLC触点的摩擦学性能

IF 1 4区工程技术 Q4 ENGINEERING, MECHANICAL

International Journal of Surface Science and Engineering Pub Date : 2018-02-28 DOI:10.1504/IJSURFSE.2018.10011258

A. Mannan, M. Sabri, M. Kalam, M. Hassan

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引用次数: 5

摘要

在本研究中，ta-C DLC的摩擦学性能在很大程度上受到反表面和添加剂的影响。与基础油相比，当用添加油测试时，DLC/DLC接触显示出约60%的磨损降低，并且在钢/DLC接触中这一结果为66%。在两种油的作用下，DLC/DLC接触的摩擦系数均低于钢/DLC接触。但是，与基础油相比，在添加油的情况下，两种接触都显示出略高的摩擦系数。在钢/DLC中，基础油下存在的添加剂阻止了碳和铁之间的热化学反应和/或转移颗粒的融合。在添加油的条件下，在钢/DLC接触中发现的DLC表面断裂表明，在钢表面形成的摩擦层具有脆性。添加剂对DLC/DLC接触中的表面的钝化防止了在基础油下观察到的损伤。

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Tribological performance of DLC/DLC and steel/DLC contacts in the presence of additivated oil

In this study, the tribological properties of ta-C DLC were largely influenced by the counter surfaces and additives. The DLC/DLC contact showed approximately 60% lower wear when tested with additivated oil compared to that of base oil and this result was 66% in steel/DLC contact. Friction coefficient in DLC/DLC contact was lower than in steel/DLC contact under both oils. But however, both contacts showed slightly higher friction coefficient under additivated oil compared to that of base oil. In steel/DLC, the thermo-chemical reaction between carbon and iron and/or the fusion of the transferred particles were prevented by additives which were present under base oil. The fracture found on DLC surface in steel/DLC contact under additivated oil indicates that the tribolayer formed on the steel surface would be of brittle nature. The passivation of surfaces in DLC/DLC contact by additives prevented the damage which was observed under base oil.

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来源期刊

International Journal of Surface Science and Engineering 工程技术-材料科学：膜

CiteScore

1.60

自引率

25.00%

发文量

审稿时长

>12 weeks

期刊介绍： IJSurfSE publishes refereed quality papers in the broad field of surface science and engineering including tribology, but with a special emphasis on the research and development in friction, wear, coatings and surface modification processes such as surface treatment, cladding, machining, polishing and grinding, across multiple scales from nanoscopic to macroscopic dimensions. High-integrity and high-performance surfaces of components have become a central research area in the professional community whose aim is to develop highly reliable ultra-precision devices.